Seems like Bass Pro and Mass Cruisers have posted their schedule for this year.
http://www.patriot-place.com/MassCruiser.aspx
Mass Cruisers at Patriot Place!
All shows start at 4:30pm.
April 18th
May 2nd
May 16th
May 30th
June 13th
June 27th
July 11th
July 25th
August 8th
August 22nd
September 5th
September 19th
October 3rd
October 17th